00831naa a2200289 a 450000100080000000500110000800800410001910000250006024501170008526000090020265000120021165000130022365000140023665000130025065000170026365300190028065300110029965300250031065300240033565300150035965300150037470000190038970000170040870000230042570000200044877300730046819726802017-09-15       2013    bl uuuu     u00u1 u    #d1 aFREITAS, M. A. S. R.  aBedload sediment and nutrient losses in agro-ecosystems of the Brazilian semiarid region.h[electronic resource]  c2013  abedload  aland use  anutrients  aCaatinga  aUso da Terra  aBioma Caatinga  aBrasil  aHidro-sedimentologia  aHydrossedimentology  aNutrientes  aSemiárido1 aANDRADE, E. M.1 aWEBER, O. B.1 aPALÁCIO, H. A. Q.1 aFERREIRA, T. O.  tNutrient Cycling in Agroecosystemsgv. 96, n. 2-3, p. 203-213, 2013.